diff options
Diffstat (limited to 'lib/Target/ARM/ARMISelLowering.cpp')
-rw-r--r-- | lib/Target/ARM/ARMISelLowering.cpp | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp index 12d7b2ee21..0484fd01d5 100644 --- a/lib/Target/ARM/ARMISelLowering.cpp +++ b/lib/Target/ARM/ARMISelLowering.cpp @@ -2691,13 +2691,20 @@ static SDValue LowerVECTOR_SHUFFLE(SDValue Op, SelectionDAG &DAG) { static SDValue LowerEXTRACT_VECTOR_ELT(SDValue Op, SelectionDAG &DAG) { EVT VT = Op.getValueType(); DebugLoc dl = Op.getDebugLoc(); - assert((VT == MVT::i8 || VT == MVT::i16) && - "unexpected type for custom-lowering vector extract"); SDValue Vec = Op.getOperand(0); SDValue Lane = Op.getOperand(1); + + // FIXME: This is invalid for 8 and 16-bit elements - the information about + // sign / zero extension is lost! Op = DAG.getNode(ARMISD::VGETLANEu, dl, MVT::i32, Vec, Lane); Op = DAG.getNode(ISD::AssertZext, dl, MVT::i32, Op, DAG.getValueType(VT)); - return DAG.getNode(ISD::TRUNCATE, dl, VT, Op); + + if (VT.bitsLT(MVT::i32)) + Op = DAG.getNode(ISD::TRUNCATE, dl, VT, Op); + else if (VT.bitsGT(MVT::i32)) + Op = DAG.getNode(ISD::ANY_EXTEND, dl, VT, Op); + + return Op; } static SDValue LowerCONCAT_VECTORS(SDValue Op, SelectionDAG &DAG) { |